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Finding the Fourth Proportional to 106,367.73, 146,785.48 and 57,970.06

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Solution

The fourth proportional to 106,367.73, 146,785.48 and 57,970.06 is: 79,997.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,367.73 : 146,785.48 = 57,970.06 : x
  2. Step 2: Convert to fraction form
    106,367.73/146,785.48 = 57,970.06/x
  3. Step 3: Cross multiply
    106,367.73x = 146,785.48 × 57,970.06
  4. Step 4: Simplify right side
    106,367.73x = 8,509,162,570.84
  5. Step 5: Solve for x
    x = 8,509,162,570.84/106,367.73
  6. Step 6: Final answer
    x = 79,997.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.